# tzolkInSight vs Sothis

The clearest difference is update cadence: tzolkInSight at daily against Sothis's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. tzolkInSight sells 3 one-off in-app purchases and Sothis sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

tzolkInSight ships an update daily, Sothis every 6 weeks. The most recent releases landed on October 6, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | tzolkInSight | Sothis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 6 weeks |
| Size | 15 MB | 67 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexandre Ferran](https://appshunter.io/developer/1885184852) | [ECI Enterprise Ltd](https://appshunter.io/developer/6779748026) |

## What reviewers say

### tzolkInSight

[App page](https://appshunter.io/ios/app/tzolkinsight/id6760587618)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small coffee | $1.99 | one-time |
| Support | $3.99 | one-time |
| Big support | $8.99 | one-time |


### Sothis

[App page](https://appshunter.io/ios/app/sothis/id6779747604)

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sothis Premium Monthly | $4.99 | per month |
| Sothis Premium Yearly | $39.99 | per year |
| Sothis Founder's Edition | $29.99 | one-time |


## Frequently asked questions

### Is tzolkInSight free?

tzolkInSight is free to download, with in-app purchases available.

### Is Sothis free?

Sothis is free to download, with in-app purchases available.

### Do tzolkInSight or Sothis have ads?

Neither tzolkInSight nor Sothis shows ads.

### Which is updated more often, tzolkInSight or Sothis?

tzolkInSight ships an update daily, and Sothis every 6 weeks. Most recently, tzolkInSight was updated on October 6, 2026 and Sothis on October 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*